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Finding the Fourth Proportional to 61,753.68, 85,223 and 36,261.16

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Solution

The fourth proportional to 61,753.68, 85,223 and 36,261.16 is: 50,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.68 : 85,223 = 36,261.16 : x
  2. Step 2: Convert to fraction form
    61,753.68/85,223 = 36,261.16/x
  3. Step 3: Cross multiply
    61,753.68x = 85,223 × 36,261.16
  4. Step 4: Simplify right side
    61,753.68x = 3,090,284,838.68
  5. Step 5: Solve for x
    x = 3,090,284,838.68/61,753.68
  6. Step 6: Final answer
    x = 50,042.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.